Analysis
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max time kernel
149s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
09/06/2024, 07:32
Static task
static1
Behavioral task
behavioral1
Sample
2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe
Resource
win10v2004-20240508-en
General
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Target
2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe
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Size
76KB
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MD5
96670a1cdb2ec39bbf5f4f7234e7d680
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SHA1
e830283c1aa8b44e38eacf97153b3401f1a99438
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SHA256
2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53
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SHA512
1bccf8aff89649aef49a8057aea0e76346fd723d379b0befc38b6629d9228eee9001e4c73fb86c71190d0ef278e84c2452d41d3341968a3459032c9c87bf9a29
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOPQijDiw:GhfxHNIreQm+Hicyw
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2308 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe File opened for modification C:\Windows\SysWOW64\¢«.exe 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe File created C:\Windows\SysWOW64\¢«.exe 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe File created C:\Windows\system\rundll32.exe 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe -
Modifies registry class 15 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717918476" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717918476" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2308 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 2308 rundll32.exe 2308 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1644 wrote to memory of 2308 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 28 PID 1644 wrote to memory of 2308 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 28 PID 1644 wrote to memory of 2308 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 28 PID 1644 wrote to memory of 2308 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 28 PID 1644 wrote to memory of 2308 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 28 PID 1644 wrote to memory of 2308 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 28 PID 1644 wrote to memory of 2308 1644 2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe"C:\Users\Admin\AppData\Local\Temp\2dfeecb73effdf7d4996d34cc51f17975b83d1a8293fda47098017f24e318f53.exe"1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Windows\system\rundll32.exeC:\Windows\system\rundll32.exe2⤵
- Executes dropped EXE
- Modifies system executable filetype association
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2308
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
74KB
MD57b1174853b33e1bfa2685549e5cc9709
SHA1201ef34017ce7e11447c2d049d264ccc6affca97
SHA256534a602e65f9587d6e0c781cea915a39444e28e14d5e626c43f3152d2c2a7777
SHA512bfc4a2ff12ed5b83b8dc0101666686b78e68da1c928975d3836203bbfbf4b06cd0712c7dfe38ae5d2484de4001e873334767d659ad4ab5eb0f0d0de00e842c8c
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Filesize
73KB
MD50ac150839f3ada246b57b0b9f0905226
SHA116465d767f2adb22ec4c02c4096f09fd9583ce44
SHA256820e55052079ecaae51e0a45595ab397f62f6a5f852b4030627a1a69f184d0ab
SHA5129327e93edb33623f867ee78cb43f8839e49dfb54e164f36f5f601eac66bcd3fcda9b51544479d92977f5ec9e609518de4f8d103c836a64d5261372688180f9c3